Patent
   D431997
Priority
Dec 03 1999
Filed
Dec 03 1999
Issued
Oct 17 2000
Expiry
Oct 17 2014
Assg.orig
Entity
unknown
2
4
n/a
We claim the ornamental design for the door blocking lock, as shown and described.

FIG. 1 is a front plan view of a door blocking lock showing our new design; the rear plan view being the same in reverse; the door and knob shown in dashed lines.

FIG. 2 is a left side plan view of the door blocking lock.

FIG. 3 is a right side view of the door blocking lock.

FIG. 4 is a top plan view of the door blocking lock.

FIG. 5 is a bottom plan view of the door blocking lock; and,

FIG. 6 is a top perspective view of the door blocking lock.

The broken lines are shown for illustrative purposes only and form no part of the claimed design.

Higgins, Joseph M., Markegard, Harvey K.

Patent Priority Assignee Title
7030758, May 18 2004 Blockit & Lockit Systems Door blocking brace and lock
ER1108,
Patent Priority Assignee Title
5787548, Aug 29 1996 Door damper
5951071, Apr 11 1996 Door brace
219362,
230701,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 29 1999MARKEGARD, HARVEY K Blockit & Lockit SystemsASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0104210170 pdf
Nov 29 1999HIGGINS, JOSEPH M Blockit & Lockit SystemsASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0104210170 pdf
Dec 03 1999Blockit & Lockit Systems(assignment on the face of the patent)
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